CVE-2020-16287 : Vulnerability Insights and Analysis
Learn about CVE-2020-16287, a buffer overflow vulnerability in GhostScript v9.50 allowing remote attackers to cause denial of service via crafted PDF files. Find mitigation steps here.
A buffer overflow vulnerability in lprn_is_black() in contrib/lips4/gdevlprn.c of Artifex Software GhostScript v9.50 allows a remote attacker to cause a denial of service via a crafted PDF file. This is fixed in v9.51.
Understanding CVE-2020-16287
This CVE involves a buffer overflow vulnerability in GhostScript version 9.50 that could be exploited by a remote attacker to trigger a denial of service attack.
What is CVE-2020-16287?
The vulnerability in lprn_is_black() in GhostScript v9.50 allows an attacker to disrupt services by using a specially crafted PDF file.
The Impact of CVE-2020-16287
The exploitation of this vulnerability could lead to a denial of service condition, potentially disrupting the availability of services relying on the affected GhostScript version.
Technical Details of CVE-2020-16287
This section provides more in-depth technical insights into the CVE.
Vulnerability Description
The buffer overflow vulnerability in lprn_is_black() in GhostScript v9.50 allows attackers to crash the software by exploiting a flaw in processing PDF files.
Affected Systems and Versions
- Product: Artifex Software GhostScript
- Version: 9.50
Exploitation Mechanism
Attackers can exploit this vulnerability by sending a maliciously crafted PDF file to the target system, triggering the buffer overflow and causing a denial of service.
Mitigation and Prevention
Protecting systems from CVE-2020-16287 requires immediate actions and long-term security measures.
Immediate Steps to Take
- Update GhostScript to version 9.51 or the latest available release to mitigate the vulnerability.
- Implement network security measures to prevent unauthorized access to vulnerable systems.
Long-Term Security Practices
- Regularly update software and apply security patches to address known vulnerabilities.
- Conduct security assessments and penetration testing to identify and remediate potential weaknesses.
Patching and Updates
Ensure timely installation of security patches and updates for all software components to prevent exploitation of known vulnerabilities.